rigidBodyState.C

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-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
#include "rigidBodyState.H"
#include "fvMeshMoversMotionSolver.H"
#include "motionSolver.H"
#include "unitConversion.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(rigidBodyState, 0);
 
    addToRunTimeSelectionTable
    (
        functionObject,
        rigidBodyState,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
const Foam::RBD::rigidBodyMotion&
Foam::functionObjects::rigidBodyState::motion() const
{
    const fvMeshMovers::motionSolver& mover =
        refCast<const fvMeshMovers::motionSolver>(mesh_.mover());
 
    return (refCast<const RBD::rigidBodyMotion>(mover.motion()));
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::rigidBodyState::rigidBodyState
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fvMeshFunctionObject(name, runTime, dict),
    logFiles(obr_, name),
    names_(motion().movingBodyNames())
{
    read(dict);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::functionObjects::rigidBodyState::~rigidBodyState()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::functionObjects::rigidBodyState::read(const dictionary& dict)
{
    fvMeshFunctionObject::read(dict);
 
    angleUnits_ = dict.lookupOrDefaultBackwardsCompatible<word>
    (
        {"angleUnits", "angleFormat"},
        "radians"
    );
 
    resetNames(names_);
 
    return true;
}
 
 
void Foam::functionObjects::rigidBodyState::writeFileHeader(const label i)
{
    writeHeader(this->files()[i], "Motion State");
    writeHeaderValue(this->files()[i], "Angle Units", angleUnits_);
    writeCommented(this->files()[i], "Time");
 
    this->files()[i]<< tab
        << "Centre of rotation" << tab
        << "Orientation" << tab
        << "Linear velocity" << tab
        << "Angular velocity" << endl;
 
}
 
 
bool Foam::functionObjects::rigidBodyState::execute()
{
    return true;
}
 
 
bool Foam::functionObjects::rigidBodyState::write()
{
    logFiles::write();
 
    if (Pstream::master())
    {
        const RBD::rigidBodyMotion& motion = this->motion();
 
        forAll(names_, i)
        {
            const label bodyID = motion.bodyID(names_[i]);
 
            const spatialTransform CofR(motion.X0(bodyID));
            const spatialVector vCofR(motion.v(bodyID, Zero));
 
            vector rotationAngle
            (
                quaternion(CofR.E()).eulerAngles(quaternion::XYZ)
            );
 
            vector angularVelocity(vCofR.w());
 
            if (angleUnits_ == "degrees")
            {
                rotationAngle.x() = radToDeg(rotationAngle.x());
                rotationAngle.y() = radToDeg(rotationAngle.y());
                rotationAngle.z() = radToDeg(rotationAngle.z());
 
                angularVelocity.x() = radToDeg(angularVelocity.x());
                angularVelocity.y() = radToDeg(angularVelocity.y());
                angularVelocity.z() = radToDeg(angularVelocity.z());
            }
 
            writeTime(files()[i]);
            files()[i]
                << tab
                << CofR.r()  << tab
                << rotationAngle  << tab
                << vCofR.l() << tab
                << angularVelocity << endl;
        }
    }
 
    return true;
}
 
 
// ************************************************************************* //